linux-kernel - Re: [PATCH] lib: Clarify the return value of strnlen

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Message-ID: <CA+55aFyuKFoF7Pt5RPHz44orO8xKuTEk-hBVD1OxG3c9aH9-LA@mail.gmail.com>
Date:	Wed, 3 Jun 2015 08:01:44 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Jan Kara <jack@...e.cz>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] lib: Clarify the return value of strnlen_user()

On Wed, Jun 3, 2015 at 6:50 AM, Jan Kara <jack@...e.cz> wrote:
> strnlen_user() can return a number in a range 0 to count +
> sizeof(unsigned long) - 1. Clarify the comment at the top of the
> function so that users don't think the function returns at most count+1.

Thanks. I also extended the comment (in the same commit) on commentary
on avoiding use of this function entirely.

                 Linus
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